如果我们继续浪费水的话,河流总有一天会枯竭的。
If we continue to waste water, the river would eventually dry up.
相反,有径流从两端流进流出的池塘,在径流枯竭的时候也会干涸,地表水就明显占据主导地位。
Conversely, a pond with a stream flowing in one end and out the other, which dries up when the stream dries up, is clearly surface water dominated.
得克萨斯几近枯竭的不仅仅是水。
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